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p0430

  1. 2005-2010 Mustang Talk
    One of the cats in my car failed. A hole was blown clean through it. I believe it was a lean problem. At high rpms the engine would start missing bad. I saw the fuel pressure was dropping below 20psi as it approached 4k rpms. I replaced the bap and stock pump with a shelby fuel pump. No...
  2. Modernos 1974-2007
    Que tal buenas tardes, mi mustang es un 2005 gt 8 cilindros 4.6 lts, el problema que tengo es que prende este codigo p0430 donde indica que el catalizador del banco 2 esta por debajo del umbral, el catalizador ya se cambio al igual que los sensores de oxigeno y sigue prendiendo la luz del...
  3. 2011 - 2014 Mustang GT Tech
    My 2011 5.0 has only 36,000 miles on it but I've already replaced both catalytic converters in the last year and my check engine light is on (again) and it is throwing a P0430 code. What would cause this? Could it be related to my supercharger? I can't afford to keep replacing the cats...
  4. 2005-2010 Mustang GT Tech
    hello, I have an 06 GT with a BBK cold air intake and Pypes x-pipe with cats. I also have Pypes Violator mufflers. After the installation of my x-pipe these two dtc codes came up on my car. They're cat effeciency codes. I have my car tuned to an 87 octane and sometimes a 93 octane tune through...
  5. 2005-2010 Mustang GT Tech
    I'm still mostly a newbie, so I'm not sure what to do for these codes. None of these problems came up until a couple days after the LTs and Midpipe got installed. p0114 p0155 p0161 p0430 I was told that 155, 161, and 430 all pertain to the cats and that one might be malfunctioning. I...
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